Multi-step reaction with 4 steps
1: sodium carbonate / [2,2]bipyridinyl; copper diacetate / 1,2-dichloro-ethane / 70 °C
2: potassium phosphate / palladium diacetate; 2-di-tertbutylphosphino-3,4,5,6-tetramethyl-2',4',6'-triisopropyl-1,1'-biphenyl / 1,4-dioxane; tert-butyl alcohol / 24 h / 130 °C / Inert atmosphere; Sealed vessel
3: water; methanesulfonamide; AD-mix β / tert-butyl alcohol / 3.5 h / Cooling with ice
4: N-chloro-succinimide / N,N-dimethyl-formamide / 5 h / 60 °C
With
potassium phosphate; N-chloro-succinimide; methanesulfonamide; AD-mix β; water; sodium carbonate;
2-di-tertbutylphosphino-3,4,5,6-tetramethyl-2',4',6'-triisopropyl-1,1'-biphenyl; [2,2]bipyridinyl; copper diacetate; palladium diacetate;
In
1,4-dioxane; 1,2-dichloro-ethane; N,N-dimethyl-formamide; tert-butyl alcohol;